exam Maths Puzzle Numerical Ability

3x+2y=22 2x+3y=23 using the simultaneous method find the values of x and y which satisfy the equation

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exam Other Question

Please help me with (3x+2y=6) how do I find the third point If the sales tax rate is 2.5% and the tax on a purchase is $5, what was the amount of the purchase?

Can someone help me out with this?
Eddie